Gallon per minute (GPM) is a crucial unit in measuring flow rate, especially in the context of plumbing, irrigation, and various industrial applications. Originally rooted in the British Imperial system, the gallon has a rich history with variations across countries—such as the US liquid gallon, which is approximately 3.785 liters, and the UK gallon, which is around 4.546 liters. This means that when considering flow rates, the distinction between these gallons can lead to significant differences in calculation and application.
What’s particularly fascinating about GPM is its pivotal role in modern sustainability efforts. For example, showerheads in the United States are often rated by their GPM to help reduce water usage and promote conservation. Low-flow fixtures, which typically limit water flow to 2.5 GPM or less, have become a standard in reducing both water waste and energy costs, highlighting the intersection of environmental responsibility and engineering.
Cubic meters per second (m³/s) is a compelling unit of measurement, primarily used to quantify the flow rate of liquid or gas. Often seen in the context of hydrology, it is crucial for understanding river discharges and the functioning of large-scale water supply systems. For instance, the Amazon River, the largest by discharge volume of water, has an average flow rate of about 209,000 m³/s. This sheer volume of water is equivalent to filling over 83 Olympic-size swimming pools every second!
In engineering, m³/s can determine the capacity of HVAC systems or the ventilation needs in building designs, especially in projects requiring meticulous climate control. Understanding flow rates in m³/s aids in improving efficiency across industries, ensuring resources are utilized effectively, and maintaining ecological balance in natural water bodies.
Gallons per minute | Cubic meters per second |
---|---|
0
gal/min
|
0
m³/s
|
10
gal/min
|
0.000630902
m³/s
|
20
gal/min
|
0.0012618
m³/s
|
30
gal/min
|
0.00189271
m³/s
|
40
gal/min
|
0.00252361
m³/s
|
50
gal/min
|
0.00315451
m³/s
|
60
gal/min
|
0.00378541
m³/s
|
70
gal/min
|
0.00441631
m³/s
|
80
gal/min
|
0.00504722
m³/s
|
90
gal/min
|
0.00567812
m³/s
|
100
gal/min
|
0.00630902
m³/s
|
110
gal/min
|
0.00693992
m³/s
|
120
gal/min
|
0.00757082
m³/s
|
130
gal/min
|
0.00820173
m³/s
|
140
gal/min
|
0.00883263
m³/s
|
150
gal/min
|
0.00946353
m³/s
|
160
gal/min
|
0.0100944
m³/s
|
170
gal/min
|
0.0107253
m³/s
|
180
gal/min
|
0.0113562
m³/s
|
190
gal/min
|
0.0119871
m³/s
|
200
gal/min
|
0.012618
m³/s
|
210
gal/min
|
0.0132489
m³/s
|
220
gal/min
|
0.0138798
m³/s
|
230
gal/min
|
0.0145107
m³/s
|
240
gal/min
|
0.0151416
m³/s
|
250
gal/min
|
0.0157725
m³/s
|
260
gal/min
|
0.0164035
m³/s
|
270
gal/min
|
0.0170344
m³/s
|
280
gal/min
|
0.0176653
m³/s
|
290
gal/min
|
0.0182962
m³/s
|
300
gal/min
|
0.0189271
m³/s
|
310
gal/min
|
0.019558
m³/s
|
320
gal/min
|
0.0201889
m³/s
|
330
gal/min
|
0.0208198
m³/s
|
340
gal/min
|
0.0214507
m³/s
|
350
gal/min
|
0.0220816
m³/s
|
360
gal/min
|
0.0227125
m³/s
|
370
gal/min
|
0.0233434
m³/s
|
380
gal/min
|
0.0239743
m³/s
|
390
gal/min
|
0.0246052
m³/s
|
400
gal/min
|
0.0252361
m³/s
|
410
gal/min
|
0.025867
m³/s
|
420
gal/min
|
0.0264979
m³/s
|
430
gal/min
|
0.0271288
m³/s
|
440
gal/min
|
0.0277597
m³/s
|
450
gal/min
|
0.0283906
m³/s
|
460
gal/min
|
0.0290215
m³/s
|
470
gal/min
|
0.0296524
m³/s
|
480
gal/min
|
0.0302833
m³/s
|
490
gal/min
|
0.0309142
m³/s
|
500
gal/min
|
0.0315451
m³/s
|
510
gal/min
|
0.032176
m³/s
|
520
gal/min
|
0.0328069
m³/s
|
530
gal/min
|
0.0334378
m³/s
|
540
gal/min
|
0.0340687
m³/s
|
550
gal/min
|
0.0346996
m³/s
|
560
gal/min
|
0.0353305
m³/s
|
570
gal/min
|
0.0359614
m³/s
|
580
gal/min
|
0.0365923
m³/s
|
590
gal/min
|
0.0372232
m³/s
|
600
gal/min
|
0.0378541
m³/s
|
610
gal/min
|
0.038485
m³/s
|
620
gal/min
|
0.0391159
m³/s
|
630
gal/min
|
0.0397468
m³/s
|
640
gal/min
|
0.0403777
m³/s
|
650
gal/min
|
0.0410086
m³/s
|
660
gal/min
|
0.0416395
m³/s
|
670
gal/min
|
0.0422704
m³/s
|
680
gal/min
|
0.0429013
m³/s
|
690
gal/min
|
0.0435322
m³/s
|
700
gal/min
|
0.0441631
m³/s
|
710
gal/min
|
0.044794
m³/s
|
720
gal/min
|
0.0454249
m³/s
|
730
gal/min
|
0.0460558
m³/s
|
740
gal/min
|
0.0466867
m³/s
|
750
gal/min
|
0.0473176
m³/s
|
760
gal/min
|
0.0479485
m³/s
|
770
gal/min
|
0.0485795
m³/s
|
780
gal/min
|
0.0492104
m³/s
|
790
gal/min
|
0.0498413
m³/s
|
800
gal/min
|
0.0504722
m³/s
|
810
gal/min
|
0.0511031
m³/s
|
820
gal/min
|
0.051734
m³/s
|
830
gal/min
|
0.0523649
m³/s
|
840
gal/min
|
0.0529958
m³/s
|
850
gal/min
|
0.0536267
m³/s
|
860
gal/min
|
0.0542576
m³/s
|
870
gal/min
|
0.0548885
m³/s
|
880
gal/min
|
0.0555194
m³/s
|
890
gal/min
|
0.0561503
m³/s
|
900
gal/min
|
0.0567812
m³/s
|
910
gal/min
|
0.0574121
m³/s
|
920
gal/min
|
0.058043
m³/s
|
930
gal/min
|
0.0586739
m³/s
|
940
gal/min
|
0.0593048
m³/s
|
950
gal/min
|
0.0599357
m³/s
|
960
gal/min
|
0.0605666
m³/s
|
970
gal/min
|
0.0611975
m³/s
|
980
gal/min
|
0.0618284
m³/s
|
990
gal/min
|
0.0624593
m³/s
|
1000
gal/min
|
0.0630902
m³/s
|
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